/*
* org.openmicroscopy.shoola.examples.viewer.ImageCanvas
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2010 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.examples.viewer;
//Java imports
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;
//Third-party libraries
//Application-internal dependencies
/**
* Paints the image.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since 3.0-Beta4
*/
class ImageCanvas
extends JPanel
implements ImageCanvasInterface
{
/** The image to display. */
private BufferedImage image;
/** Creates a new instance. */
ImageCanvas()
{
setDoubleBuffered(true);
}
/**
* Implemented as specified by the {@link ImageCanvasInterface} I/F.
* @see ImageCanvasInterface#setImage(BufferedImage)
*/
public void setImage(BufferedImage image)
{
this.image = image;
repaint();
}
/**
* Overridden to paint the image.
* @see javax.swing.JComponent#paintComponent(Graphics)
*/
public void paintComponent(Graphics g)
{
if (image == null) return;
Graphics2D g2D = (Graphics2D) g;
g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2D.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
g2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2D.drawImage(image, null, 0, 0);
}
/**
* Implemented as specified by the {@link ImageCanvasInterface} I/F.
* @see ImageCanvasInterface#getCanvas()
*/
public Component getCanvas()
{
return this;
}
/**
* Implemented as specified by the {@link ImageCanvasInterface} I/F.
* @see ImageCanvasInterface#setCanvasSize(Dimension)
*/
public void setCanvasSize(Dimension d)
{
setPreferredSize(d);
setSize(d);
}
}